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 Title: |
US6572061:
Adjustable base structure
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Overbeck, James; Fond du Lac, WI
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| Assignee: |
Overbeck/Ahern LLC, Fond du Lac, WI
other patents from OVERBECK/AHERN LLC (819241) (approx. 1)
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| Published / Filed: |
2003-06-03
/ 2001-06-25
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| Application Number: |
US2001000888018
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| IPC Code: |
Advanced:
A47C 4/20;
A47C 7/62;
F16M 11/20;
Core:
A47C 4/00;
more...
IPC-7:
F16M 11/36;
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| ECLA Code: |
A47C4/20; A47C7/62; F16M11/20;
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| U.S. Class: |
248/188.6;
248/163.1;
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| Field of Search: |
248/163.1,165,166,440,188.2,188,167,168
297/344.12,325
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| Priority Number: |
| 2001-06-25 |
US2001000888018 |
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| Abstract: |
An adjustable base structure supports a person in an upright attitude on uneven terrain and comprises a plate and multiple legs independently pivotally connected to the plate. When in an operative mode, the legs diverge from each other and from the plate and rest on the terrain to orient the plate horizontally. A cable connects the legs and maintains them in the operative mode. A bushing on the plate receives a post of a carrier that is attached to a seat. When the carrier post is in the bushing, the person can sit upright regardless of the contour of the terrain. A dome-shaped pad is joined to each leg for swiveling in a manner that accommodates the terrain and that supports the adjustable base structure in soft soil. Different lengths of the cable are storable inside one of the legs to adjustably limit the amount of pivoting of the legs.
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| Attorney, Agent or Firm: |
Cayen, Donald ;
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| Primary / Asst. Examiners: |
Braun, Leslie A.; Schulterbrandt, Kofi
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| INPADOC Legal Status: |
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Family Legal Status Report
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| Family: |
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First Claim:
Show all 27 claims |
I claim:
1. An adjustable base structure comprising:
- a. a plate having a center region;
- b. means for supporting a selected object on the plate center region;
- c. at least three legs each having first and second ends;
- d. a pivotal connection between the first end of each leg and the plate;
- e. a flexible cable having a predetermined total length consisting of a selected first length and a selected second length, the cable connecting to said at least three legs; and
- f. means for storing the cable first length inside a selected leg and connecting the legs with the cable second length and thereby independently adjusting the pivoting of said at least three legs to an operative mode in which the relative positions of the legs are dependent on the selected cable first and second lengths, so that the legs are independently pivotable relative to each other and to the plate to enable placement of the second ends of the legs on uneven terrain with the plate being oriented substantially horizontal.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 5 U.S. patent(s) that reference this one
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